CVE-2021-3111
MEDIUMCVSS 4.8/10EPSS 3.01%
Last modified
CVE-2021-3111 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. The Express Entries Dashboard in Concrete5 8.5.4 allows stored XSS via the name field of a new data object at an index.php/dashboard/express/entries/view/ URI.. EPSS estimates a 3.01% chance of exploitation in the next 30 days.
Description
The Express Entries Dashboard in Concrete5 8.5.4 allows stored XSS via the name field of a new data object at an index.php/dashboard/express/entries/view/ URI.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Concretecms | Concrete Cms | < 8.5.5 |
References
- http://packetstormsecurity.com/files/161600/Concrete5-8.5.4-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/161997/Concrete5-8.5.4-Cross-Site-Scripting.htmlThird Party Advisory, VDB Entry
- https://documentation.concrete5.org/developers/introduction/version-historyRelease Notes, Vendor Advisory
- https://documentation.concrete5.org/developers/introduction/version-history/855-release-notesRelease Notes, Vendor Advisory
- https://github.com/Quadron-Research-Lab/CVE/blob/main/CVE-2021-3111.pdfExploit, Third Party Advisory
- http://packetstormsecurity.com/files/161600/Concrete5-8.5.4-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/161997/Concrete5-8.5.4-Cross-Site-Scripting.htmlThird Party Advisory, VDB Entry
- https://documentation.concrete5.org/developers/introduction/version-historyRelease Notes, Vendor Advisory
- https://documentation.concrete5.org/developers/introduction/version-history/855-release-notesRelease Notes, Vendor Advisory
- https://github.com/Quadron-Research-Lab/CVE/blob/main/CVE-2021-3111.pdfExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-3111?
The Express Entries Dashboard in Concrete5 8.5.4 allows stored XSS via the name field of a new data object at an index.php/dashboard/express/entries/view/ URI.
How severe is CVE-2021-3111?
CVE-2021-3111 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 3.01% probability of exploitation in the next 30 days.
How do I fix CVE-2021-3111?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-3111?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST